Set all play counts = 1

// Enable all following items in the current Clip.
var nextItem = $context.currentItem.nextItem;
while (nextItem != null)
{
  nextItem.setRepeat(nextItem.REPEAT_TIMING_SERIAL, nextItem.REPEAT_TYPE_COUNT_CONSTANT, 1, nextItem.REPEAT_DISTRIBUTION_CONSTANT, 0);
  nextItem = nextItem.nextItem;
}